Ardelyx, Inc. (ARDX) Insider Trading
Over the last 3 months, ARDX insiders made 0 open-market buys and 23 sales, a net sale of -$1.8M (SEC Form 4). Over the last 6 months, 191 institutions increased and 141 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
23
Net (3m)
-$1.8M
Insider trades by month Buys Sells
Nov
Jan
Feb
Apr
May
Jun
Context3-month price -14.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 22, 2026 | Williams Laura Aofficer: Chief Patient Officer | Sell | 81,898 | $5.99 |
| Jun 22, 2026 | Williams Laura Aofficer: Chief Patient Officer | Option | 31,000 | $0.99 |
| Jun 18, 2026 | MOTT DAVID Mdirector | Grant | 26,455 | — |
| Jun 18, 2026 | Parsey Merdaddirector | Grant | 39,715 | $5.67 |
| Jun 18, 2026 | Bazemore Robert Bdirector | Grant | 26,455 | — |
| Jun 18, 2026 | Cadoret-Manier Onaizadirector | Grant | 39,715 | $5.67 |
| Jun 18, 2026 | Bhanji Munadirector | Grant | 39,715 | $5.67 |
| Jun 18, 2026 | Bertrand William C JRdirector | Grant | 39,715 | $5.67 |
| Jun 18, 2026 | Rodgers Richard Jdirector | Grant | 26,455 | — |
| Jun 18, 2026 | Bertrand William C JRdirector | Grant | 26,455 | — |
| Jun 18, 2026 | MOTT DAVID Mdirector | Grant | 39,715 | $5.67 |
| Jun 18, 2026 | Parsey Merdaddirector | Grant | 26,455 | — |
| Jun 18, 2026 | Cadoret-Manier Onaizadirector | Grant | 26,455 | — |
| Jun 18, 2026 | Bhanji Munadirector | Grant | 26,455 | — |
| Jun 18, 2026 | Bertrand William C JRdirector | Grant | 12,345 | — |
| Jun 18, 2026 | Bazemore Robert Bdirector | Grant | 39,715 | $5.67 |
| Jun 18, 2026 | MOTT DAVID Mdirector | Grant | 20,282 | — |
| Jun 18, 2026 | Rodgers Richard Jdirector | Grant | 39,715 | $5.67 |
| Jun 17, 2026 | RAAB MICHAELdirector, officer: President & CEO | Sell | 41,666 | $5.67 |
| Jun 17, 2026 | RAAB MICHAELdirector, officer: President & CEO | Option | 20,833 | $0.99 |
| May 22, 2026 | Williams Laura Aofficer: Chief Patient Officer | Sell | 1,503 | $6.27 |
| May 22, 2026 | Foster Eric Duaneofficer: Chief Commercial Officer | Sell | 2,405 | $6.27 |
| May 22, 2026 | Foster Eric Duaneofficer: Chief Commercial Officer | Sell | 2,427 | $6.27 |
| May 22, 2026 | Reilly Joseph Jamesofficer: See Remarks | Sell | 2,683 | $6.27 |
| May 22, 2026 | Williams Laura Aofficer: Chief Patient Officer | Sell | 2,157 | $6.27 |
| May 22, 2026 | Kelliher Mikeofficer: Chief Business Officer | Sell | 2,900 | $6.27 |
| May 22, 2026 | Bishop John Eofficer: See Remarks | Sell | 2,306 | $6.27 |
| May 22, 2026 | Kelliher Mikeofficer: Chief Business Officer | Sell | 1,870 | $6.27 |
| May 22, 2026 | Foster Eric Duaneofficer: Chief Commercial Officer | Sell | 3,166 | $6.27 |
| May 22, 2026 | RAAB MICHAELdirector, officer: President & CEO | Sell | 14,028 | $6.27 |
Source: ARDX SEC Form 4 filings, latest Jun 22, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their ARDX positions over the last 6 months (SEC Form 13F).
Increased
191
New positions
84
Reduced
141
Sold out
61
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 21.2M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 21.1M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 20.7M | May 15, 2026 |
| VANGUARD GROUP INC | Increased | 19.0M | Jan 29, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 18.0M | May 15, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 16.7M | May 18, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 14.5M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 13.6M | May 15, 2026 |
| STATE STREET CORP | Increased | 11.9M | Feb 13, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 11.9M | Feb 17, 2026 |
| MACQUARIE MANAGEMENT HOLDINGS, INC. | New Position | 9.3M | Feb 17, 2026 |
| MACQUARIE MANAGEMENT HOLDINGS, INC. | Reduced | 8.2M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 6.7M | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 6.0M | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 5.8M | Feb 9, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.